The general form of the complementary function of a differential equation is given by $y(t)=(At+B)e^{-2t}$, where A and B are real constants determined by the i...

The general solution of d²y/dx² - 6dy/dx + 9y = 0 is

The families of curves represented by the solution of the equation dy/dx = -(x/y)n for n=-1 and n=+1, respectively, are